Pen cap or similar article
FIG. 1 is a front top perspective view of a pen cap or similar article showing my new design; 
     FIG. 2 is a front elevational view thereof; 
     FIG. 3 is a right side elevational view thereof, the left side being the same in appearance as the right side; 
     FIG. 4 is a rear elevational view thereof; 
     FIG. 5 is a top plan view thereof; and 
     FIG. 6 is a bottom plan view thereof.